Subtraction
- Subtraction 1: Counting back on a number line [2 digit, 2 digit]
- Subtraction 2: Counting back on a number line [3 digit,3 digit]
- Subtraction 3: Counting up on a number line [2 digit, 2 digit]
- Subtraction 4: Counting up on a number line [3 digit, 3 digit]
- Subtraction 5: Counting up on a number line [using decimals]
- Subtraction 6: Vertical method [3 digit, 3 digit]
- Subtraction 7: Vertical method [using decimals]